Luster????s PCJ Smooth RootsTM is the only children new growth relaxer kit. PCJ Smooth Roots is compatible with any relaxer used in the past. Luster????s PCJ Smooth RootsTM is designed to save mom????s money and touch-up her little girl????s new growth. When her new growth gets ???????????? to ???????????? inch long, its time for a touch-up. PCJ Smooth RootsTM straightens and conditions new growth with a triple action conditioner.